Question about Brother MFC 7420 All-In-One Laser Printer
I re-install the drum and close the cover, but it still won't print and the same error massage appear. What else can i do to solve the problem
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Posted on Jan 02, 2017
SOURCE: Brother DCP-7020 Drum problems
Open the front of the printer by pulling on both tabs at the finger grips on both sides of the front panel. The front panel will flip down. The drum and toner cartridge comes out as a single unit. It is black plastic within gray plastic and has a handle like grip in the middle. Grasp this grip and pull the unit up and out. It feels kinda funny the first time you do it and you may feel like it will break, but it won't. Pull it up and out in a kinda circular arc. Do not touch the drum. If you ever need to replace the toner cartridge, press on the blue tap and separate the drum from the toner cartridge. You will have to replace the drum after every five toner cartridge replacements so practice doing it now. Note the tabs and slots on the sides before separating the drum and cartridge. Align the cartridge into the drum carriage and slide it in until it clicks. To replace the cartridge assembly into the printer, angle the cartridge at about 45 degrees and rotate in while pushing. It should click into place. If the front door then closes properly, you should have it in properly. Practice a few times and you should be an expert. For paper jams, there are many places to check and they may not all give warnings. First pull out the paper tray and check for and remove misfeeds. Remove the drum cartridge assembly and described here and check for and remove any paper. Open the back cover and check for and remove any paper. Open the automatic feed and check there as well as lifting the cover where the scanning surface is. Look in the rollers for the automatic feed for paper pieces. The last place almost never gives you a warning. Reach into the slot where the paper exits after being printed and grasp the whole top cover. Lift upward and it will open about 4 inches. This is a good place where small pieces of paper or even whole sheets may get stuck. Clean out any dust while you are there.
Posted on Oct 04, 2007
SOURCE: Brother MFC 7420 Paper Jam
After changing the drum, toner and running around town for days trying to find a reliable place to get this printer repaired, I realized I was spending a lot more money than what the printer actually costs. the drum was over $100, toner was $80, and the printer is $250. I bought a new one, and I can now use the old one for parts.
Posted on Jan 16, 2008
SOURCE: Brother HL-2030 paper jam
thin sensor (looks like steel colour ) is not in the proper position.it is in the back side of the printer to the lower side where you feed the paper. irepair this problems regularly for my customers. you can do it your self it is very easy.just make your sensor move up and down properly it should not be blocked somewhere.rate this solution as fixya to encourage us to solve more and more problems like yours.good luck.
Posted on Jun 14, 2008
SOURCE: paper jam, and I don't
I had the same problem. I had removed all the visible paper and when it came back on made some awful noises and flashed "paper jam".
I even moved the roller forward and backward (after having uplugged the device. I did this repeatedly and the "paper jam" alert continued (along with the awful noise).
As a last resort I thought I would just take it apart and hope to get it back together but figured it was a sensor or something along that line if I could not find any paper anywhere
with the machine unplugged (it would not shut down), I opened the lid I used a flashligt to look around trying to figure out how to take it apart.
It then dawned on me that I had not moved the print head over and using a screwdriver I gently pushed it to the center of the bar. When I looked inside with a flashlight, there was the paper jam way inside under the cover.
I used some needlenose to reach in and took the paper out and it is now working fine.
I hope this helps, but you may have to search really deep into the device.
Posted on Dec 10, 2008
Tips for a great answer:
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Brother strongly recommends that customers do not use
generic drum unitsand/or toner cartridges, or refill their Brother toner
cartridge. Each Brother laser printer is designed to work at pre-set
temperatures that are matched exactly to each of our individual toner
formulations. Each individual component is designed to work with the other to
ensure quality and reliability. Using non-Brother supplies may affect the
Verify the message displayed on the LCD.
Warning: If you just used the machine some parts inside the
machine are extremely hot.
1. Pull the paper tray completely out of the machine.
2. Pull the jammed paper out of the paper tray opening. If
you are unable to remove the jammed paper continue to STEP 3. If you are able
toremove the jammed paper continue to STEP 9.
3. Open the front cover. If you cannot open the front cover,
do not useextra force. See below for further assistance.
4. Pull out the drum unit and toner cartridge assembly. The
jammed papermay be pulled out with the toner cartridge and drum unit assembly,
or removing the drum and toner assembly may release the paper so you canpull it
out of the paper tray opening.
a. If you are able to remove the drum assembly and jammed
paper continueto STEP 5.
b. If you cannot remove the drum unit and toner cartridge
assembly easily, do not use extra force. See below for further assistance.
5. Place the drum unit on a drop cloth or large piece of
disposable paper to avoid spilling and scattering the toner. Hold down the blue
lock lever on the left side of the drum assembly and lift the toner out of the
drum unit. Examine the drum carefully for small pieces of paper that may be
6. Reinsert the toner cartridge in the drum unit until it
clicks into place. If you put it in properly, the lock lever will lift
7. Place the drum unit and toner cartridge back into the
machine. Use equal pressure on both sides of the drum unit when pushing it back
into place. Make sure it clicks into place.
8. Close the front cover. Make sure it clicks into place.
9. Remove any remaining paper in the paper tray and then
reload it. The tray can hold up to 250 sheets of 20lb paper. Do not over fill
the tray.There is a maximum paper mark located on the top of the right and left
paper guide. It looks like a V cut out in the plastic. Fan the stack of paper
well to avoid paper jams or misfeeds.
NOTE: If you are using special paper and the machine has
problems feeding it from the paper tray, try the paper again using the manual
10. Put the paper tray firmly back into the machine and
unfold the output paper tray support flap before using the machine.
11. Turn the Brother machine around with the back of the
machine facing you.
12. Open the back cover.
13. The black plastic inner chute should spring open
automatically when the back cover is opened. Note: The inner chute has a
diagram on it of a piece of paper being removed from the unit.
14. If there is paper inside the machine carefully remove
15. Close the back cover. NOTE: The inner chute will close
automaticallywhen the back door is closed.
16. To test, print the Help List:
a. Press the REPORTS key located on the right side of the
b. Press the up or down arrow key until Help list appears on
c. Press Menu/Set. The report should begin printing.
Thanks an good luck
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